SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Conger Robert

(Last)

(First)

(Middle)

901 EXPLORER BLVD

(Street)

HUNTSVILLE

35806

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/15/2021

3. Issuer Name and Ticker or Trading Symbol
ADTRAN INC [ ADTN ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
SVP, Technology & Strategy

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	3,073.598	D
Common Stock	475⁽¹⁾	D
Common Stock	1,250⁽²⁾	D
Common Stock	2,569⁽³⁾	D
Common Stock	7,294⁽⁴⁾	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:

1. Represents a grant of restricted stock units that vest in four equal and annual installments beginning on the first anniversary date of the grant. This grant has one annual installment remaining with final vesting on November 11, 2021.

2. Represents a grant of restricted stock units that vest in four equal and annual installments beginning on the first anniversary date of the grant. This grant has two annual installments remaining with final vesting on November 9, 2022.

3. Represents a grant of restricted stock units that vest in four equal and annual installments beginning on the first anniversary date of the grant. This grant has three annual installments remaining with final vesting on November 15, 2023.

4. Represents a grant of restricted stock units that vest in four equal and annual installments beginning on the first anniversary date of the grant with final vesting on November 16, 2024.

	Amy Moss, by power of attorney	02/08/2021
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.